Source : Webster's Revised Unabridged Dictionary (1913)

Comparable \Com"pa*ra*ble\, a. [L. comparabilis: cf. F.
   comparable.]
   Capable of being compared; worthy of comparison.

         There is no blessing of life comparable to the
         enjoyment of a discreet and virtuous friend. --Addison.
   -- {Com"pa*ra*ble*ness}, n. -- {Com"pa*ra*bly}, adv.

Source : WordNet®

comparable
     adj 1: able to be compared or worthy of comparison [ant: {incomparable}]
     2: conforming in every respect; "boxes with corresponding
        dimensions"; "the like period of the preceding year" [syn:
         {corresponding}, {like}]